import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
from tornado.options import define, options
define("port", default=8000, help="run on the given port", type=int)


class IndexHandler(tornado.web.RequestHandler):
	def post(self):
		greeting = self.get_argument('greeting', 'Hello')
		self.write(greeting + ', friendly user!')
	def write_error(self, status_code, **kwargs):
		self.write("Gosh darnit, user! You caused a %d error." % status_code)

if __name__ == "__main__":
	tornado.options.parse_command_line()
	app = tornado.web.Application(handlers=[(r"/", IndexHandler)])
	http_server = tornado.httpserver.HTTPServer(app)
	http_server.listen(options.port)
	tornado.ioloop.IOLoop.instance().start()